Koyna
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Overview
The Koyna is a tributary of the Krishna in Maharashtra. The Koyna dam is a major hydro project, and the 1967 Koyna earthquake is India's classic case of reservoir-induced seismicity.
It rises near Mahabaleshwar and flows south before joining the Krishna at Karad.
The Shivsagar reservoir behind the dam lies in the Koyna Wildlife Sanctuary, part of the Sahyadri Tiger Reserve.
Koyna area is part of the Western Ghats World Heritage Site cluster.
The river flows through Satara district.
It is a tributary of the Krishna.
The Koyna basin gets heavy rain.
The Koyna project supplies power to Mumbai and Pune.
Geography and key facts
- Krishna tributary
- Koyna dam
- 1967 earthquake
- Rises near Mahabaleshwar
- Joins Krishna at Karad
- Shivsagar reservoir
Why it matters for UPSC
Asked on induced seismicity.
Note for UPSC
A Krishna tributary; Koyna dam, a major hydro project in a seismic zone, is on it.
Prelims asks about tributaries, the states a river flows through, its basin and the projects on it, so trace the course on the map.
Asked in PYQs
No question in our Prelims bank names Koyna yet.
Key facts
- Type
- River
- State / UT
- Maharashtra
- River system
- Peninsular
- Basin
- Krishna
- Extent on map
- 17.3°–18.0°N, 73.6°–74.2°E
From the Map Explorer data; positions are for orientation.